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How to say "Someday" in Japanese

Both words can translate to "someday", but which should you choose?

Japanese Option A

いつか

いつか (itsuka)
N4 / CEFR Syllabus
VS
Japanese Option B

いずれ

いずれ (izure)
B2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "someday" into Japanese, you must choose carefully between いつか and いずれ. In Japanese, いつか (いつか (itsuka)) is typically associated with "someday, sometime" (Syllabus Level: N4) and represents Refers to an unspecified future time. Often used with hopes, dreams, or predictions.. On the other hand, いずれ (いずれ (izure)) maps to "someday, eventually" (Syllabus Level: B2) and represents Essential structural term in CEFR B2 vocabulary syllabus.. A literal translation of "someday" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "いつか"
いつか日本へ行きたいです。
I want to go to Japan someday.
Bilingual Context for "いずれ"
私はいずれに興味があります。
I am interested in someday, eventually.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: " ___ 日本へ行きたいです。" (Meaning: "I want to go to Japan someday.")
🎉 Correct Answer!

Remember: "いつか" fits here because it means "someday, sometime" in the context of: "I want to go to Japan someday.". "いずれ" represents "someday, eventually".

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